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Cushion|Lab Grown|IGI

1.00ct D FL Cushion Lab Grown Diamond

ID • D/FL • IGI LG816612563

Shape and cutting style on the report: Square cushion modified brilliant

Certificate IGI LG816612563

Diamond specifications and retailer prices

From $508 CAD
$364 USD
As of October 30, 2026
Save $2,229 CAD (81%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $2,738 CAD at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 1ct lab-grown cushion diamond

This 1ct lab-grown cushion sits in the classic one-carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG816612563 or 816612563. Listed at 13 retailers as of October 30, 2026, with prices from $508 to $2,738, a $2,229 spread on the same certified stone. Brilliant Earth lists it at $2,738. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.00
Carat
D
Color
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.3°
Pavilion angle38.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG816612563
Dimensions6.01 × 5.86 × 3.77 mm
L/W Ratio1.03
Girdle conditionFaceted
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
6.01 mm5.86 mm1.00 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG816612563
Side View
Table 60.0%Crown 35.3°Girdle: MED-STKPavilion 38.2°Culet: NoneDepth 64.3%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $2,738 CAD|Low: $373 CAD|High: $3,744 CAD|Avg: $1,440 CAD|-26.9%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
October 30, 2026
Retailer 11$508 CAD
Retailer 5$581 CAD
Retailer 10$816 CAD
Retailer 3$824 CAD
Retailer 12$912 CAD
Retailer 6$920 CAD
Retailer 8$969 CAD
Retailer 2$1,006 CAD
Retailer 4$1,858 CAD
Retailer 13$1,875 CAD
Retailer 9$2,227 CAD
Retailer 7$2,273 CAD
Brilliant Earth$2,738 CAD

35 data points across 13 retailers

13 retailers$508 CAD to $2,738 CAD

A
Cheapest Retailer
-
$508 CAD
$364 USD
Final sale: no returns
Retailer 2
-
$581 CAD
$416 USD
View
Price last confirmed 19 days ago
A
Retailer 3
-
$816 CAD
$584 USD
View
A
Retailer 4
-
$824 CAD
$590 USD
View
A
Retailer 5
-
$912 CAD
$653 USD
View
A
Retailer 6
-
$920 CAD
€627 EUR
View
A
Retailer 7
-
$969 CAD
ZAR 11,209 ZAR
View
A
Retailer 8
-
$1,006 CAD
£567 GBP
View
Retailer 9
-
$1,858 CAD
$1,330 USD
View
Price last confirmed 12 days ago
B
Retailer 10
-
$1,875 CAD
$1,343 USD
View
B
Retailer 11
-
$2,227 CAD
$1,595 USD
View
B+
Retailer 12
-
$2,273 CAD
£1,281 GBP
View
Most Expensive
B
Brilliant Earth
21018661A · Oct 30
$2,738 CAD
$1,960 USD
View
12 more retailers have this diamond
Prices start from $508 CADSave up to $2,229 CAD

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

A
1.00ct Cushion
$508 CAD